Oleg Smirnov 6e2a0501b6 MDEV-36638 Some optimizer hint warnings are returned as errors ...

With strict SQL_MODE warnings generated during DDL statements
are threated as errors. This is done to prevent potential data
corruption. However, optimizer hints cannot affect the integrity
of data, so warnings during their parsing or application should not
be escalated to the level of errors.

This commit introduces `push_warning_safe()` method that guarantees
that a warning is not treated as an error, and generation of warnings
during hints processing now uses this method instead of traditional
`push_warning_printf()`

2025-05-05 12:02:47 +07:00

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